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Proxy and patients ratings on quality of life in patients with schizophrenia and bipolar disorder in Korea

 Eun Joo Kim  ;  Dong Ho Song  ;  Se Joo Kim  ;  Jin Young Park  ;  Eun Lee  ;  Jeong Ho Seok  ;  Duk-In Jon  ;  Hyun-Sang Cho 
 QUALITY OF LIFE RESEARCH, Vol.19(4) : 521-529, 2010 
Journal Title
Issue Date
Adult ; Bipolar Disorder* ; Confidence Intervals ; Cross-Sectional Studies ; Female ; Health Surveys ; Humans ; Korea ; Male ; Middle Aged ; Proxy* ; Psychometrics/statistics & numerical data* ; Quality of Life* ; Schizophrenia* ; Self Concept* ; Statistics as Topic
Agreement ; Bipolar disorder ; Proxy ; Quality of life ; Schizophrenia
PURPOSE: This study aimed to assess the agreement between patient and proxy ratings of Quality of life (QoL) in patients with psychotic mental illnesses. METHODS: The abbreviated version of the WHO quality of life scale (WHOQOL-BREF) and 36-item short-form health survey (SF-36) were administered to patient-family proxy pairs of 81 schizophrenia patients with mild symptoms and 50 euthymic bipolar disorder patients. Paired t-tests and the intraclass correlation coefficient (ICC) were used to evaluate the level of agreement between patient and proxy ratings of QoL. RESULTS: At the group level, small standardized differences (0.0-0.3 for schizophrenia, 0.0-0.5 for bipolar disorder) between patient and proxy mean scores were found for most domains in both QoL measures. At the individual level, moderate to good agreement (ICC) was found (schizophrenia: ICC 0.4-0.7 on WHOQOL-BREF; 0.4-0.7 on SF-36; bipolar disorder: ICC 0.4-0.7 on WHOQOL-BREF; 0.6-0.7 on SF-36). The reported agreement was higher than that reported for similar measures in the psychiatric population. These results may be due to the fact that our subjects had mild clinical symptoms and frequent family interaction. CONCLUSION: These findings suggest that family proxy rating of patients' QoL can be used as a reasonable estimate of the patients' QoL for stable schizophrenia and bipolar patients in Korea
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1. College of Medicine (의과대학) > Dept. of Psychiatry (정신과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Se Joo(김세주) ORCID logo https://orcid.org/0000-0002-5438-8210
Kim, Eun Joo(김은주) ORCID logo https://orcid.org/0000-0003-3061-2051
Seok, Jeong Ho(석정호) ORCID logo https://orcid.org/0000-0002-9402-7591
Song, Dong Ho(송동호) ORCID logo https://orcid.org/0000-0002-9647-3130
Lee, Eun(이은) ORCID logo https://orcid.org/0000-0002-7462-0144
Cho, Hyun Sang(조현상) ORCID logo https://orcid.org/0000-0003-1019-9941
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